Transaction

[Error Code: 1101] cadence runtime error Execution failed:
error: underflow
  --> fbac5c6f36afbdeb8aaa4628ec641695497e83a8a3edf62dd02db39f681467a8:14:8
   |
14 |         let f1 = fee * I1B2sqr / scale * I2B1sqr / scale - I1B2;
   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^